By Tim Smith [Baltimore Sun, 30 March 2010]

It’s hard to keep up the lament about the dearth of great, or even just interesting, opera singers today when you encounter American soprano Sondra Radvanovsky and Russian baritone Dmitri Hvorostovsky, who teamed up for a concert Monday presented by the Washington Performing Arts Society at the Kennedy Center. (Hvorostovsky dedicated the evening to the memory of the victims of Monday’s terrorist attack in Moscow.)